Merge pull request #28642 from mantidproject/28624_refl_scaling_factors

Framework/PythonInterface/plugins/algorithms/LiquidsReflectometryReduction.py

@@ -85,6 +85,7 @@ class LiquidsReflectometryReduction(PythonAlgorithm):
         self.declareProperty("AngleOffset", 0.0, doc="angle offset (degrees)")
         self.declareProperty("AngleOffsetError", 0.0, doc="Angle offset error (degrees)")
         self.declareProperty(MatrixWorkspaceProperty("OutputWorkspace", "", Direction.Output), "Output workspace")
+        self.declareProperty("ApplyScalingFactor", True, doc="If true, the scaling from Scaling Factor file will be applied")
         self.declareProperty("ScalingFactorFile", "", doc="Scaling factor configuration file")
         self.declareProperty("SlitTolerance", 0.02, doc="Tolerance for matching slit positions")
         self.declareProperty("SlitsWidthFlag", True,
@@ -209,7 +210,9 @@ class LiquidsReflectometryReduction(PythonAlgorithm):
         normalized_data.setDistribution(True)
 
         # Apply scaling factors
-        normalized_data = self.apply_scaling_factor(normalized_data)
+        apply_scaling_factor = self.getProperty("ApplyScalingFactor").value
+        if apply_scaling_factor:
+            normalized_data = self.apply_scaling_factor(normalized_data)
 
         q_workspace = SumSpectra(InputWorkspace = normalized_data)
         q_workspace.getAxis(0).setUnit("MomentumTransfer")

Testing/SystemTests/tests/analysis/LiquidsReflectometryReductionNoScalingTest.py

+# Mantid Repository : https://github.com/mantidproject/mantid
+#
+# Copyright © 2018 ISIS Rutherford Appleton Laboratory UKRI,
+#   NScD Oak Ridge National Laboratory, European Spallation Source,
+#   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
+# SPDX - License - Identifier: GPL - 3.0 +
+#pylint: disable=no-init,attribute-defined-outside-init
+import systemtesting
+from mantid import *
+
+from mantid.simpleapi import *
+
+
+class ApplyScalingFactorTest(systemtesting.MantidSystemTest):
+    def runTest(self):
+        scaling_factor_file = FileFinder.getFullPath("directBeamDatabaseFall2014_IPTS_11601_2.cfg")
+
+        LiquidsReflectometryReduction(RunNumbers=[119814],
+                                      NormalizationRunNumber=119690,
+                                      SignalPeakPixelRange=[154, 166],
+                                      SubtractSignalBackground=True,
+                                      SignalBackgroundPixelRange=[151, 169],
+                                      NormFlag=True,
+                                      NormPeakPixelRange=[154, 160],
+                                      NormBackgroundPixelRange=[151, 163],
+                                      SubtractNormBackground=True,
+                                      LowResDataAxisPixelRangeFlag=True,
+                                      LowResDataAxisPixelRange=[99, 158],
+                                      LowResNormAxisPixelRangeFlag=True,
+                                      LowResNormAxisPixelRange=[98, 158],
+                                      TOFRange=[29623.0, 42438.0],
+                                      IncidentMediumSelected='2InDiamSi',
+                                      GeometryCorrectionFlag=False,
+                                      QMin=0.005,
+                                      QStep=0.01,
+                                      AngleOffset=0.009,
+                                      AngleOffsetError=0.001,
+                                      ApplyScalingFactor=False,
+                                      ScalingFactorFile=scaling_factor_file,
+                                      SlitsWidthFlag=True,
+                                      CropFirstAndLastPoints=False,
+                                      OutputWorkspace='reflectivity_119814_no_scaling')
+
+    def validate(self):
+        self.disableChecking.append('Instrument')
+        self.disableChecking.append('Sample')
+        self.disableChecking.append('SpectraMap')
+        self.disableChecking.append('Axes')
+        return "reflectivity_119814_no_scaling", 'REFL_119814_combined_data_no_scaling.nxs'

Testing/SystemTests/tests/analysis/reference/REFL_119814_combined_data_no_scaling.nxs.md5

+1408d9f4482f23ca203b574f589c87bc

docs/source/release/v5.1.0/reflectometry.rst

@@ -25,6 +25,11 @@ New
 
 - Background subtraction options have been added to the ISIS Reflectometry Interface. The subtraction is performed using :ref:`algm-ReflectometryBackgroundSubtraction`.
 
+Improvements
+------------
+
+- Flag to enable / disable apply scaling factor from `ScalingFactorFile`, called `ApplyScalingFactor`, added to :ref:`algm-LiquidsReflectometryReduction`.
+
 Bug fixes
 ---------